/Engine/Plugins/Experimental/UIFramework/Source/Public/Widgets/UIFUserWidget.h
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, BlueprintAuthorityOnly, Category="UI Framework") void SetNamedSlot ( [FName](API\Runtime\Core\UObject\FName) SlotName, [UUIFrameworkWidget](API\Plugins\UIFramework\UUIFrameworkWidget) * Widget )